/*
 * Copyright (c) 2024 Black Sesame Technologies
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#ifndef _DAL_DMABUFHEAP_TOPIC_SELECTOR_
#define _DAL_DMABUFHEAP_TOPIC_SELECTOR_

#include <string>
#include <unordered_set>

namespace dal_dmabufheap {

class DmaBufHeapTopicSelector
{
protected:
    DmaBufHeapTopicSelector();
    static DmaBufHeapTopicSelector* singleton_;

public:
    DmaBufHeapTopicSelector(DmaBufHeapTopicSelector& other) = delete;
    void operator=(const DmaBufHeapTopicSelector&) = delete;
    static DmaBufHeapTopicSelector* GetInstance();

    bool IsDbhTopic(const std::string& topic);
    bool IsMixedTopic(const std::string& topic);

private:
    std::unordered_set<std::string> dbh_topics_;
    std::unordered_set<std::string> mixed_topics_;
};

}  // namespace dal_dmabufheap

#endif  // _DAL_DMABUFHEAP_TOPIC_SELECTOR_